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High Volume User Program

Q: How much funding can be received?

High Volume User Program Funds up to $10,000 of admissible expenses.

Q: Who is eligible for the High Volume User Program program?

To be eligible for the High Volume User Program program, you must: Facility must be located in the City of Ottawa and built before 1996. Must be an industrial, commercial, or institutional property using at least 25,000 m³ of water/year, or a multi-residential property with six or more units.

Q: Who can I contact for more information about the High Volume User Program?

You can contact City of Ottawa by email at waterwise@ottawa.ca or by phone at 3-1-1.

Q: Where is the High Volume User Program available?

The High Volume User Program program is available the province of Ontario.

Q: Is the High Volume User Program a grant, loan, or tax credit?

High Volume User Program is a Grant and Funding

Last Update: March 4, 2026

Ottawa, Ontario, Canada

Provides rebates for installing water-efficient commercial fixtures and appliances

Grant and Funding

Overview

The City of Ottawa’s High Volume User Program offers rebates up to $10,000 per property for the installation of eligible water-efficient toilets, urinals, spray valves, commercial dishwashers, and washing machines. This funding initiative is designed to support retrofits that reduce water consumption and utility costs in high-usage industrial, commercial, institutional, and multi-residential buildings.

At a glance

Funding available

Financing goals

Optimize production processes

Reduce the ecological footprint

Renovate your business/factory

Eligible Funding

Maximum amount : 10,000 $

Timeline

Unspecified

Eligible candidates

Eligible Industries

Real estate and rental and leasing

Location

Ottawa
Ontario

Legal structures

Non-profit
Public or Parapublic institution
For-profit business
Sole proprietorship

Annual revenue

All revenue ranges

Organisation size

All organization sizes

Audience

All groups

Non-profit candidates

Sector of operation

All industries

Target groups

All the groups

Revenue structures

All structures

Scope

All dimensions

Activities funded

Retrofitting industrial, commercial, institutional or multi-residential facilities with water-efficient toilets.
Upgrading to water-efficient urinals in eligible properties.
Installing water-saving spray valves.
Replacing old commercial dishwashers and washing machines with high-efficiency models.

Eligibility

The business or facility must be located in the City of Ottawa.
The building must have been constructed before 1996.
The applicant must be an industrial, commercial, or institutional property consuming at least 25,000 m³ of water per year, or a multi-residential property with six or more units.

Who is eligible?

Industrial property owners
Commercial property owners
Institutional property owners
Multi-residential property owners with six or more units

Who is not eligible

Businesses or facilities built after 1996.
Properties located outside the City of Ottawa.
Industrial, commercial or institutional properties using less than 25,000 m³ of water per year.
Residential properties containing fewer than six units.

Eligible expenses

Purchase and installation of high-efficiency single-flush or dual-flush toilets.
Purchase and installation of water-efficient urinals (3.8L or less, or waterless models).
Purchase and installation of water-efficient spray valves.
Purchase and installation of commercial-grade dishwashers and washing machines with water-efficient features.

Eligible geographic areas

City of Ottawa

How to apply

Check eligibility criteria

Verify that the business or facility is built before 1996
Ensure the property is located within the City of Ottawa
Confirm eligibility as an industrial, commercial, or institutional property using at least 25,000 m3 of water per year or as a multi-residential property with six or more units

Prepare application documents

Complete the Screening and Application Form (available as a PDF)
Take photos of the existing fixtures and appliances to be replaced

Submit application materials

Send the completed application form and photos to the WaterWise Coordinator at 951 Clyde Avenue, Ottawa, ON K1Z 5A6
Alternatively, contact by email at waterwise@ottawa.ca for information

Await application review

The City of Ottawa reviews the application and submitted documents
Approval status and further instructions are provided once the application is reviewed

Install approved fixtures

Once approved, complete the installation of water-efficient fixtures
Ensure all work is completed within 18 months of approval

Additional information

The total maximum rebate available is $10,000 per tax roll number.
Work must be completed within 18 months of project approval.
Applicants should take photographs of old fixtures and appliances before removal as part of the application process.
The City will review toilet selection as part of the screening and approval process to ensure compliance with program criteria.

Contacts

waterwise@ottawa.ca

3-1-1

Apply to this program

Frequently Asked Questions about the High Volume User Program Program

Here are answers to the most common questions about the High Volume User Program. This section explains what the program is, how much funding is available, eligibility requirements, application deadlines, and other important details to help you determine if this grant is right for your business.